PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

6311ZNRJBearing,ball,annular

Skf Usa Inc. · NSN 3110-00-554-3449 · FSC 3110 · No Item Name Available
Verified by PartsTable
NSN 3110-00-554-3449 — this item is cataloged by the U.S. Government under National Stock Number 3110-00-554-3449. Primary manufacturer part number: 6311ZNRJ.
Features
  • Bearing,ball,annular — FSC 3110
  • Features Provided: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
  • Material: STEEL OVERALL
  • Style Designator: NON-LOADING GROOVE, NON-SEPARABLE
  • Retainer Fabrication Method: PRESSED
  • Surface Finish: GROUND
  • Bore Diameter: 55.00 MILLIMETERS NOMINAL MM
  • Bore Shape: STRAIGHT
Applications
  • Rotating machinery support and alignment
  • Shaft load distribution
  • Precision spindle assemblies
  • Applications requiring Steel Overall construction
General Description

The Bearing,ball,annular, cataloged under National Stock Number 3110-00-554-3449, is classified within Federal Supply Class 3110 (No Item Name Available) of the Bearings group. The primary manufacturer of record is Skf Usa Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3110-00-554-3449
Primary Part Number6311ZNRJ
Item NameBearing,ball,annular
FSC / FSG3110 / 31 — No Item Name Available
ManufacturerSkf Usa Inc.
StatusACTIVE
Features ProvidedSNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE
MaterialSTEEL OVERALL
Style DesignatorNON-LOADING GROOVE, NON-SEPARABLE
Retainer Fabrication MethodPRESSED
Surface FinishGROUND
Bore Diameter55.00 MILLIMETERS NOMINAL MM
Bore ShapeSTRAIGHT
Standard Tolerance DesignationABEC NO.1
Internal Fit-Up DesignationSTANDARD
Overall Outside Diameter120.00 MILLIMETERS NOMINAL MM
Shield Quantity1
Load DirectionRADIAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-155-6281147-311-2 INTERCHANGEABLE
Bearing,ball,annular
Dana Corp Spicer Transmission Div
Cross-Reference Index
Part NumberManufacturer
6311ZNRJ Skf Usa Inc. (USA)
Related Parts
3110-00-155-6281INTERCHANGEABLE
BEARING,BALL,ANNULAR
147-311-2

Frequently Asked Questions

What is NSN 3110-00-554-3449?

NSN 3110-00-554-3449 is a Bearing,ball,annular, manufactured by Skf Usa Inc., classified under FSC 3110 (No Item Name Available). Status: active.

What are the part numbers for NSN 3110-00-554-3449?

NSN 3110-00-554-3449 has 1 cross-referenced part number: 6311ZNRJ (Skf Usa Inc.).

What NSN replaces 3110-00-554-3449?

There is 1 known substitute for 3110-00-554-3449: 3110-00-155-6281. Verify interchangeability with system specifications before substitution.

What are the specifications of 6311ZNRJ?

Key specifications for 6311ZNRJ: Features Provided: SNAP RING-GROOVE MOUNTING AND MOUNTING GROOVE; Material: STEEL OVERALL; Style Designator: NON-LOADING GROOVE, NON-SEPARABLE; Retainer Fabrication Method: PRESSED. 13 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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